CodingPirates/microbit-micropython-cookbook
1
0
Fork 0
mirror of https://github.com/alankrantas/microbit-micropython-cookbook.git synced 2026-01-04 11:21:08 +01:00
Code Issues Packages Projects Releases Wiki Activity

Update README.md

Browse Source
This commit is contained in:
Alan Wang
2020-02-26 11:10:17 +08:00
committed by GitHub
parent a9f4d85f48
commit 78019002c2
1 changed files with 6 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
README.md
View File

@@ -249,22 +249,22 @@ np = NeoPixel(led_pin, led_num)
def showRainbow(): def showRainbow():
change_amount = int(led_maxlevel / (led_num / 3)) change_amount = int(led_maxlevel / (led_num / 3))
index = [0, int(led_num / 3), int(led_num / 3 * 2)] index = (0, int(led_num / 3), int(led_num / 3 * 2))
for i in range(led_num): for i in range(led_num):
color = [0, 0, 0] color = [0, 0, 0]
for j in range(3): for j in range(3):
if abs(i - index[j]) <= int(led_num / 3): if abs(i - index[j]) <= index[1]:
color[j] = led_maxlevel - abs(i - index[j]) * change_amount color[j] = led_maxlevel - abs(i - index[j]) * change_amount
if color[j] < 0: if color[j] < 0:
color[j] = 0 color[j] = 0
if i >= int(led_num / 3 * 2): if i >= index[2]:
color[0] = led_maxlevel - (led_num - i) * change_amount color[0] = led_maxlevel - (led_num - i) * change_amount
if color[0] < 0: if color[0] < 0:
color[0] = 0 color[0] = 0
np[i] = (color[0], color[1], color[2]) np[i] = tuple(color)
np.show() np.show()
def rotate(): def ledRotate():
tmp = np[led_num - 1] tmp = np[led_num - 1]
for i in reversed(range(1, led_num)): # clockwise for i in reversed(range(1, led_num)): # clockwise
np[i] = np[i - 1] np[i] = np[i - 1]
@@ -275,7 +275,6 @@ def rotate():
showRainbow() showRainbow()
while True: while True:
rotate() ledRotate()
sleep(50) sleep(50)
``` ```